Bearing type is the air-cooled heat sink fan-shaped bearing type used. In mechanical engineering,Wind turbine bearing ,bearing class shaped very much, but also on the radiator so few products in use, the use of sliding friction sleeve bearings and use a rolling bearing friction ball bearings and two forms of combining these three.
The use of oil-bearing sliding friction sleeve bearings, when used as a lubricant and lubricant DRA initially run using low noise,angular contact thrust ball bearing , low manufacturing costs, but this badly worn bearings, ball bearing life than there is a big gap.
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